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义务教育阶段的小学数学课程的基本出发点是促进学生全面、持续、和谐的发展。教师必须考虑学生自身特点及心理发展规律,从学生已有的生活经验和现实世界以及对客观事物的体验出发,抽象成数学模型并进行解释和应用,使学生在思维能力、情感态度和价值观的形成等多方面得到进步和发展。笔者就小学数学的加减法教学给出示例,解析让学生深入理解小数在日常生活中应用的重要性,让学生明白小数与整数加减法的关系和区别。
The basic starting point of the elementary mathematics curriculum in compulsory education is to promote the development of students in a comprehensive, sustained and harmonious way. Teachers must take into account the characteristics of their own students and the law of psychological development, starting from the student’s existing life experience and the real world and the experience of objective things, abstracted into mathematical models and explain and apply to enable students in thinking skills, emotional attitudes and values Formed in many aspects such as progress and development. The author gives examples of addition and subtraction teaching in elementary mathematics. The analysis enables students to understand the importance of using decimals in daily life so that students can understand the relationship and differences between decimal and integer addition and subtraction.